The function h(x) is a continuous function on the interval [-3,7] with h(-3)= 10 and h(7)= -2. Is there a guarantee that there is some value a in the domain such that h(a)=1? Justify your answer. PLEASE SHOW WORK IF YOU PUT AN ANSWER THAT MAKES ZERO SENSE I WILL REPORT YOU. Thanks.

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

How can writing phrases as algebraic expressions you solve problems?